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PDF PI74FCT163245 Data sheet ( Hoja de datos )
| Número de pieza | PI74FCT163245 | |
| Descripción | Fast CMOS 3.3V 16-Bit Bidirectional Transceiver | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI74FCT163245
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PI74FCT1632451122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Product Features
Fast CMOS 3.3V 16-Bit
Bidirectional Transceiver
• Advanced Low Power CMOS Operation
• Excellent output drive capability:
Balanced drives (24mA sink and source)
Compatible with LVCTM class of products.
• Pin compatible with industry standard double-density pinouts
• Low ground bounce outputs
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Control inputs can be driven by 3.3V or 5V devices
• Multiple center pin and distributed Vcc/GND pins
minimizing switching noise
• Packages available:
– 48-pin 240 mil wide plastic TSSOP (A)
– 48-pin 300 mil wide plastic SSOP (V)
– 48-pin 173 mil wide plastic TVSOP (K)
• Device models available on request
Product Description
Pericom Semiconductor’s PI74FCT series of logic circuits are
produced in the Company’s advanced 0.6 micron CMOS
technology, achieving industry leading speed grades.
The PI74FCT163245 is a 16-bit bidirectional transceiver designed
for asynchronous two-way communication between data buses.
The direction control input pin (xDIR) determines the direction of
data flow through the bidirectional transceiver. The Direction and
Output Enable controls are designed to operate this device as either
two independent 8-bit transceivers or one 16-bit transceiver. The
output enable (xOE) input, when HIGH, disables both A and B
ports by placing them in HIGH Z condition.
Logic Block Diagram
1DIR
1A0
1A1
1A2
1A3
1A4
1A5
1A6
1A7
1OE
1B0
1B1
1B2
1B3
1B4
1B5
1B6
1B7
2DIR
2A0
2A1
2A2
2A3
2A4
2A5
2A6
2A7
2OE
2B0
2B1
2B2
2B3
2B4
2B5
2B6
2B7
1
PS2054B
01/18/99
1 page  
PI74FCT163245
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Switching Characteristics over Operating Range(1)
Parameters Description
Conditions(2)
FCT163245
Com.
Min.(3) Max.
FCT163245A
Com.
Min.(3) Max.
FCT163245C
Com.
Min.(3) Max.
Units
tPLH Propagation Delay CL = 50pF
tPHL A to B, B to A
RL = 500Ω
1.5 7.0 1.5 4.6 1.5 4.1
ns
tPZH Output Enable Time
tPZL xOE to A or B
1.5 9.5 1.5 6.2 1.5 5.8
ns
tPHZ
Output Disable Time(4)
tPLZ xOE to A or B
1.5 7.5 1.5 5.0 1.5 4.8
ns
tPZH Output Enable Time
tPZL xDIR to A or B
1.5 9.5 1.5 6.2 1.5 5.8
ns
tPHZ
Output Disable Time(4)
tPLZ xDIR to A or B
1.5 7.5 1.5 5.0 1.5 4.8
ns
tSK(o) Output Skew(5)
0.5 0.5 0.5 ns
Notes:
1. Propagation Delays and Enable/Disable times are with Vcc = 3.3V ± 0.3V, normal range. For Vcc = 2.7V, extended range,
all Propagation Delays and Enable/Disable times should be degraded by 20%.
2. See test circuit and waveforms.
3. Minimum limits are guaranteed but not tested on Propagation Delays.
4. This parameter is guaranteed but not production tested.
5. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5
PS2054B
01/18/99
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI74FCT163245.PDF ] | |
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